USD531650SExpiredUtility

High speed drill bit for mortar

49
Individually held — no corporate assignee on recordPriority: Apr 13, 2005Filed: Apr 13, 2005Granted: Nov 7, 2006
Est. expiryApr 13, 2025(expired)· nominal 20-yr term from priority
Inventors:Bruce Switzer
49
PatentIndex Score
13
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a high speed drill bit for mortar, as shown and described.

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